@Article{ars-4-345-2006,
AUTHOR = {Hecker, A. and Neuland, M. and Kuerner, T.},
TITLE = {Propagation models for high sites in urban areas},
JOURNAL = {Advances in Radio Science},
VOLUME = {4},
YEAR = {2006},
PAGES = {345--349},
URL = {http://www.adv-radio-sci.net/4/345/2006/},
DOI = {10.5194/ars-4-345-2006}
}